<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>eframe app</title>

    <style>
        html, body, #canvas {
            margin: 0;
            padding: 0;
            overflow: hidden;
            width: 100%;
            height: 100%;
            background-color: black;
        }
    </style>
</head>
<body>
<canvas id="canvas"></canvas>
<script src="main.js"></script>
</body>
</html>